create.c revision 1.30
1 /* $NetBSD: create.c,v 1.30 2001/10/01 02:30:40 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: create.c,v 1.30 2001/10/01 02:30:40 lukem Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 48 #include <dirent.h> 49 #include <errno.h> 50 #include <fcntl.h> 51 #include <fts.h> 52 #include <grp.h> 53 #include <md5.h> 54 #include <pwd.h> 55 #include <stdarg.h> 56 #include <stdio.h> 57 #include <string.h> 58 #include <time.h> 59 #include <unistd.h> 60 #include <vis.h> 61 62 #include "mtree.h" 63 #include "extern.h" 64 65 #define INDENTNAMELEN 15 66 #define MAXLINELEN 80 67 #define VISFLAGS VIS_CSTYLE 68 69 extern int crc_total, ftsoptions; 70 extern int dflag, sflag; 71 extern int keys; 72 extern char fullpath[MAXPATHLEN]; 73 74 static gid_t gid; 75 static uid_t uid; 76 static mode_t mode; 77 static u_long flags; 78 static char codebuf[4*MAXPATHLEN + 1]; 79 static const char extra[] = { ' ', '\t', '\n', '\\', '#', '\0' }; 80 81 static int dsort(const FTSENT **, const FTSENT **); 82 static void output(int *, const char *, ...) 83 __attribute__((__format__(__printf__, 2, 3))); 84 static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); 85 static void statf(FTSENT *); 86 87 void 88 cwalk(void) 89 { 90 FTS *t; 91 FTSENT *p; 92 time_t clock; 93 char *argv[2], host[MAXHOSTNAMELEN + 1]; 94 95 (void)time(&clock); 96 (void)gethostname(host, sizeof(host)); 97 host[sizeof(host) - 1] = '\0'; 98 (void)printf( 99 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 100 getlogin(), host, fullpath, ctime(&clock)); 101 102 argv[0] = "."; 103 argv[1] = NULL; 104 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 105 mtree_err("fts_open: %s", strerror(errno)); 106 while ((p = fts_read(t)) != NULL) 107 switch(p->fts_info) { 108 case FTS_D: 109 (void)printf("\n# %s\n", p->fts_path); 110 statd(t, p, &uid, &gid, &mode, &flags); 111 statf(p); 112 break; 113 case FTS_DP: 114 if (p->fts_level > 0) 115 (void)printf("# %s\n..\n\n", p->fts_path); 116 break; 117 case FTS_DNR: 118 case FTS_ERR: 119 case FTS_NS: 120 (void)fprintf(stderr, 121 "mtree: %s: %s\n", p->fts_path, strerror(errno)); 122 break; 123 default: 124 if (!dflag) 125 statf(p); 126 break; 127 128 } 129 (void)fts_close(t); 130 if (sflag && keys & F_CKSUM) 131 (void)fprintf(stderr, 132 "mtree: %s checksum: %u\n", fullpath, crc_total); 133 } 134 135 static void 136 statf(FTSENT *p) 137 { 138 u_int32_t len, val; 139 int fd, indent; 140 char md5buf[33], *md5cp; 141 const char *name; 142 143 strsvis(codebuf, p->fts_name, VISFLAGS, extra); 144 if (S_ISDIR(p->fts_statp->st_mode)) 145 indent = printf("%s", codebuf); 146 else 147 indent = printf(" %s", codebuf); 148 149 if (indent > INDENTNAMELEN) 150 indent = MAXLINELEN; 151 else 152 indent += printf("%*s", INDENTNAMELEN - indent, ""); 153 154 if (!S_ISREG(p->fts_statp->st_mode)) 155 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 156 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 157 if (keys & F_UNAME && 158 (name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL) 159 output(&indent, "uname=%s", name); 160 else /* if (keys & F_UID) */ 161 output(&indent, "uid=%u", p->fts_statp->st_uid); 162 } 163 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 164 if (keys & F_GNAME && 165 (name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL) 166 output(&indent, "gname=%s", name); 167 else /* if (keys & F_GID) */ 168 output(&indent, "gid=%u", p->fts_statp->st_gid); 169 } 170 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 171 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 172 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 173 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 174 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 175 output(&indent, "size=%lld", (long long)p->fts_statp->st_size); 176 #ifdef BSD4_4 177 if (keys & F_TIME) 178 output(&indent, "time=%ld.%ld", 179 (long)p->fts_statp->st_mtimespec.tv_sec, 180 p->fts_statp->st_mtimespec.tv_nsec); 181 #else 182 output(&indent, "time=%ld.%ld", 183 p->fts_statp->st_mtime, 0); 184 #endif 185 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 186 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 187 crc(fd, &val, &len)) 188 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 189 (void)close(fd); 190 output(&indent, "cksum=%lu", (long)val); 191 } 192 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 193 if ((md5cp = MD5File(p->fts_accpath, md5buf)) == NULL) 194 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 195 output(&indent, "md5=%s", md5cp); 196 } 197 if (keys & F_SLINK && 198 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 199 output(&indent, "link=%s", rlink(p->fts_accpath)); 200 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 201 output(&indent, "flags=%s", 202 flags_to_string(p->fts_statp->st_flags, "none")); 203 (void)putchar('\n'); 204 } 205 206 /* XXX 207 * FLAGS2INDEX will fail once the user and system settable bits need more 208 * than one byte, respectively. 209 */ 210 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 211 212 #define MTREE_MAXGID 5000 213 #define MTREE_MAXUID 5000 214 #define MTREE_MAXMODE (MBITS + 1) 215 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 216 #define MTREE_MAXS 16 217 218 static int 219 statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode, 220 u_long *pflags) 221 { 222 FTSENT *p; 223 gid_t sgid; 224 uid_t suid; 225 mode_t smode; 226 u_long sflags; 227 const char *name; 228 gid_t savegid; 229 uid_t saveuid; 230 mode_t savemode; 231 u_long saveflags; 232 u_short maxgid, maxuid, maxmode, maxflags; 233 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 234 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 235 236 savegid = 0; 237 saveuid = 0; 238 savemode = 0; 239 saveflags = 0; 240 if ((p = fts_children(t, 0)) == NULL) { 241 if (errno) 242 mtree_err("%s: %s", RP(parent), strerror(errno)); 243 return (1); 244 } 245 246 memset(g, 0, sizeof(g)); 247 memset(u, 0, sizeof(u)); 248 memset(m, 0, sizeof(m)); 249 memset(f, 0, sizeof(f)); 250 251 maxuid = maxgid = maxmode = maxflags = 0; 252 for (; p; p = p->fts_link) { 253 smode = p->fts_statp->st_mode & MBITS; 254 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 255 savemode = smode; 256 maxmode = m[smode]; 257 } 258 sgid = p->fts_statp->st_gid; 259 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 260 savegid = sgid; 261 maxgid = g[sgid]; 262 } 263 suid = p->fts_statp->st_uid; 264 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 265 saveuid = suid; 266 maxuid = u[suid]; 267 } 268 269 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 270 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 271 saveflags = p->fts_statp->st_flags; 272 maxflags = f[sflags]; 273 } 274 } 275 (void)printf("/set type=file"); 276 if (keys & F_GID) 277 (void)printf(" gid=%lu", (u_long)savegid); 278 if (keys & F_GNAME) { 279 if ((name = group_from_gid(savegid, 1)) != NULL) 280 (void)printf(" gname=%s", name); 281 else 282 (void)printf(" gid=%lu", (u_long)savegid); 283 } 284 if (keys & F_UNAME) { 285 if ((name = user_from_uid(saveuid, 1)) != NULL) 286 (void)printf(" uname=%s", name); 287 else 288 (void)printf(" uid=%lu", (u_long)saveuid); 289 } 290 if (keys & F_UID) 291 (void)printf(" uid=%lu", (u_long)saveuid); 292 if (keys & F_MODE) 293 (void)printf(" mode=%#lo", (u_long)savemode); 294 if (keys & F_NLINK) 295 (void)printf(" nlink=1"); 296 if (keys & F_FLAGS) 297 (void)printf(" flags=%s", 298 flags_to_string(saveflags, "none")); 299 (void)printf("\n"); 300 *puid = saveuid; 301 *pgid = savegid; 302 *pmode = savemode; 303 *pflags = saveflags; 304 return (0); 305 } 306 307 static int 308 dsort(const FTSENT **a, const FTSENT **b) 309 { 310 311 if (S_ISDIR((*a)->fts_statp->st_mode)) { 312 if (!S_ISDIR((*b)->fts_statp->st_mode)) 313 return (1); 314 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 315 return (-1); 316 return (strcmp((*a)->fts_name, (*b)->fts_name)); 317 } 318 319 void 320 output(int *offset, const char *fmt, ...) 321 { 322 va_list ap; 323 char buf[1024]; 324 325 va_start(ap, fmt); 326 (void)vsnprintf(buf, sizeof(buf), fmt, ap); 327 va_end(ap); 328 329 if (*offset + strlen(buf) > MAXLINELEN - 3) { 330 (void)printf(" \\\n%*s", INDENTNAMELEN, ""); 331 *offset = INDENTNAMELEN; 332 } 333 *offset += printf(" %s", buf) + 1; 334 } 335
Indexes created Tue Sep 23 13:09:54 GMT 2025